Atraumatic measurement of the isometric relaxation period of the left ventricle.
D000328:Adult; D001021:Aortic Valve / Q000502:physiology; D006326:Heart Auscultation; D006801:Humans; D008297:Male; D008943:Mitral Valve / Q000502:physiology; D010701:Phonocardiography; D016276:Ventricular Function